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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2167807Generated: October 26, 2026

(R)-2-(5-fluoro-2-methoxyphenyl)pyrrolidine hydrochloride → (R)-4-fluoro-5-(2-(5-fluoro-2-methoxyphenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyridine-3-carboxylic acid

https://huagongshe.com/reaction/2167807

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(R)-2-(5-fluoro-2-methoxyphenyl)pyrrolidine hydrochlorideHCID 66519187—
ReactantEthyl 5-bromo-4-fluoropyrazolo[1,5-a]pyridine-3-carboxylateHCID 89618488—
Product(R)-4-fluoro-5-(2-(5-fluoro-2-methoxyphenyl)pyrrolidin-1-yl)pyrazolo[1,5-a]pyridine-3-carboxylic acidHCID 89618788—

Reaction Steps

The title compound was prepared by a method substantially similar to that mentioned in step-5 and step-6 of example-3 using (R)-2-(5-Fluoro-2-methoxyphenyl)pyrrolidine hydrochloride (step-1) and Ethyl 5-bromo-4-fluoropyrazolo[1,5-a]pyridine-3-carboxylate (step-4 of example-248) to afford the product as white solid. MS (ESI): m/z 374.12 (M+H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09045479B2
Source datasetuspto-grants-2015_06
ORD IDord-2238cbfc67b74797863426954b1cd4e9
Source noteuspto-grants-2015_06